Related Clues:

• Soften after one day in London
• Moderate, at the time, the fifteenth clue
• Moderate, taking time, the 17th clue
• Silent Greek character, note
• Silent figure among commuters
• Not pronounced
• Device that softens the tone of a musical instrument
• Silencer Mike put on Victorian pick-up
• Moderate D to C, perhaps?
• Remote setting
• Button pressed for silence
• Like Avoxes in 'The Hunger Games,' because the government cut their tongues out
• Horn accessory
• Kill the sound, like I bet you wish you could do with someone talking like a 41-Across
• Eliminate sound